The number 61498
61498 is a composite number with 8 divisors. Its prime factorisation is 2 × 97 × 317. Divisors (8): 1, 2, 97, 194, 317, 634, 30749, 61498.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
61498 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
61498 is composite. Its prime factorisation is
- 3
The divisors add up to 93492; without 61498 itself that is 31994, so 61498 is deficient (31994 is less than 61498). Euler's totient φ(61498) = 30336 numbers up to 61498 share no factor with it.
- 4
The digits of 61498 add up to 28, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 60 steps to reach 1.
LaTeX source of the formulas on this page
\[ 61498 = 2 \times 97 \times 317 \]
61498 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 93492 |
| Euler totient φ(n) | 30336 |
| Square | 3782004004 |
| Cube | 232585682237992 |
| Square root | 247.987903 |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 60 |
| Scientific notation | 6.1498 × |
61498 in other forms
| Form | Value |
|---|---|
| In words | sixty-one thousand four hundred and ninety-eight |
| Binary (base 2) | 1111000000111010 |
| Octal (base 8) | 170072 |
| Hexadecimal (base 16) | F03A |
| Base 3 | 10010100201 |
| As time | 61498 seconds = 17 h 4 min 58 s |
Is 61498 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (61498 ÷ 2 = 30749) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 1) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 3) | A number is divisible by 7 if double the last digit and subtract it from the rest: the result is a multiple of 7. |
| 8 | No (remainder 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 61498 a prime number?
No. 61498 = 2 × 97 × 317, so it is divisible by 2.
What are the factors of 61498?
1, 2, 97, 194, 317, 634, 30749, 61498.
What is 61498 in binary?
1111000000111010 (hexadecimal F03A, octal 170072).
What is the square root of 61498?
About 247.9879.
Is 61498 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 61498?
It is a composite number with 8 divisors.